Home / 144,828,015.60-217,242,023.40-138,109,551.60

Finding the Fourth Proportional to 144,828,015.60, 217,242,023.40 and 138,109,551.60

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Solution

The fourth proportional to 144,828,015.60, 217,242,023.40 and 138,109,551.60 is: 207,164,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,015.60 : 217,242,023.40 = 138,109,551.60 : x
  2. Step 2: Convert to fraction form
    144,828,015.60/217,242,023.40 = 138,109,551.60/x
  3. Step 3: Cross multiply
    144,828,015.60x = 217,242,023.40 × 138,109,551.60
  4. Step 4: Simplify right side
    144,828,015.60x = 30,003,198,440,450,708
  5. Step 5: Solve for x
    x = 30,003,198,440,450,708/144,828,015.60
  6. Step 6: Final answer
    x = 207,164,327.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.